Grade 8.8 black socket head cap screw

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Essential details

Material:Stainless steel, 304
Measurement system:INCH
Head Style:Flat head
Length:20-100mm
Packaging:Min. order 50000 pieces
Place of Origin:Hebei, China

Quantity(pieces)	1-10000	10001-20000	2-100000	>100000
Lead time (days)	10	15	20	To be negotiated

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Product details

Hex bolts

A bolt with a six sided head.

Stainless steel 18-8

A corrosion resistant steel alloy. The most common stainless steel for general hardware use.

Stainless steel 316

A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.

Zinc plated steel

A low carbon steel for general use, either Grade 2 or A307A. Zinc plated for moderate corrosion resistance.

Grade 5

Zinc plated grade 5 steel

A tempered medium carbon steel. Zinc plated for moderate corrosion resistance. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.

Grade 8

Zinc plated grade 8 steel yellow

A tempered medium carbon steel. Zinc plated for moderate corrosion resistance. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications.

Grade 8

Grade 8 steel plain finish

A tempered medium carbon steel. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. Unplated finish.

Chrome plated steel

A low carbon steel for general use. Chrome plated and polished for a mirror like finish.

Hot dipped galvanized steel

A low carbon steel for general use, either Grade 2 or A307A. Hot dipped galvanized is a coating for very good corrosion resistance.

Why Choose Rundu

The company focuses on the production and sales of fasteners,after years of development and innovation，products have been sold to US, Canda, Japan, South Korea, Singapore andother countries.